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Expired European patentEurope

Apparatus for generating a reference signal in a brake control system

EP 0247640 B1 · Applicant: CRANE CO.

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Overview

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Listed from its EPO record in Patent Yard's archive of European patents past their term. Its claims, description and drawings are in the EPO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Filed September 19, 1980 and granted December 27, 1990. A European patent lasts at most 20 years from filing, so its term ended September 19, 2000.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by March 19, 2006.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledSeptember 19, 1980
PublishedDecember 2, 1987
GrantedDecember 27, 1990
Term endedSeptember 19, 2000
Application numberEP 87109524
Classification (CPC)B60T8/173 +1 more

Timeline

Timeline From EPO dates

1981198319851987198919911993199519971999Application filedSep 19, 1980PublishedDec 2, 1987Patent grantedDec 27, 1990Term endedSep 19, 2000

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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